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author | 2019-11-12 16:22:21 -0400 | |
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committer | 2019-11-23 19:56:44 -0400 | |
commit | 107e899874e95dcddc779142942bf285eba38bc5 (patch) | |
tree | 163ec4747888c248d4177082c7bfa06c8105ec99 /kernel/fork.c | |
parent | mm/hmm: allow hmm_range to be used with a mmu_interval_notifier or hmm_mirror (diff) | |
download | linux-107e899874e95dcddc779142942bf285eba38bc5.tar.gz linux-107e899874e95dcddc779142942bf285eba38bc5.tar.bz2 linux-107e899874e95dcddc779142942bf285eba38bc5.zip |
mm/hmm: define the pre-processor related parts of hmm.h even if disabled
Only the function calls are stubbed out with static inlines that always
fail. This is the standard way to write a header for an optional component
and makes it easier for drivers that only optionally need HMM_MIRROR.
Link: https://lore.kernel.org/r/20191112202231.3856-5-jgg@ziepe.ca
Reviewed-by: Jérôme Glisse <jglisse@redhat.com>
Tested-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r-- | kernel/fork.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index bcdf53125210..ca39cfc404e3 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -40,7 +40,6 @@ #include <linux/binfmts.h> #include <linux/mman.h> #include <linux/mmu_notifier.h> -#include <linux/hmm.h> #include <linux/fs.h> #include <linux/mm.h> #include <linux/vmacache.h> |